A:AnswerIf you mean "ARE they waterproof", the answer to that is "no". They make no claim to be waterproof. I would expect them to stop working in water.
A:AnswerUsually when the light it blue that means they are fully charged. You have to press and hold the center button for them to turn on. However they very well may be defective.
A:Answermake sure you are connected to your phone. then when someone calls you have to answer your phone and then press the speaker button and then you will have a choice to talk on the phone or use the headset
A:AnswerTry forgetting them from your Bluetooth menu on your device. Then pair them again, that usually fixes and glitches. If problem persists try pairing them to another device to see if they work then.
A:AnswerThis is my common problem with them. They have a 2 year warranty and I'm sending away for my second replacement now. It's bad build quality, I'm afraid. You might not prefer to keep buying this brand.